mcs/class/Microsoft.VisualBasic/Microsoft.VisualBasic/VBFixedArrayAttribute.cs

   1 //
   2 // VBFixedArrayAttribute.cs
   3 //
   4 // Author:
   5 //   Chris J Breisch (cjbreisch@altavista.net)
   6 //   Rafael Teixeira (rafaelteixeirabr@hotmail.com)
   7 //      Dennis Hayes (dennish@raytek.com)
   8 //
   9 // (C) 2002 Chris J Breisch
  10 // (C) 2004 Rafael Teixeira
  11 //
  12  /*
  13   * Copyright (c) 2002-2003 Mainsoft Corporation.
  14   * Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  15   *
  16   * Permission is hereby granted, free of charge, to any person obtaining a
  17   * copy of this software and associated documentation files (the "Software"),
  18   * to deal in the Software without restriction, including without limitation
  19   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  20   * and/or sell copies of the Software, and to permit persons to whom the
  21   * Software is furnished to do so, subject to the following conditions:
  22   *
  23   * The above copyright notice and this permission notice shall be included in
  24   * all copies or substantial portions of the Software.
  25   *
  26   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  27   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  28   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  29   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  30   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  31   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  32   * DEALINGS IN THE SOFTWARE.
  33   */
  34
  35
  36 using System;
  37 using Microsoft.VisualBasic.CompilerServices;
  38
  39 namespace Microsoft.VisualBasic {
  40         [AttributeUsage(AttributeTargets.Field, Inherited = false, AllowMultiple = false)]
  41         sealed public class VBFixedArrayAttribute : Attribute {
  42
  43                 // Declarations
  44                 private int upperBound1;
  45                 private int upperBound2;
  46                 private bool bidimensional;
  47
  48                 // Constructors
  49                 public VBFixedArrayAttribute(int UpperBound1) {
  50                         if (UpperBound1 < 0) {
  51                                 throw new ArgumentException(
  52                                         Utils.GetResourceString("Invalid_VBFixedArray"));
  53                         }
  54                         upperBound1 = UpperBound1;
  55                         bidimensional = false;
  56                 }
  57
  58                 public VBFixedArrayAttribute(int UpperBound1, int UpperBound2) {
  59                         if (UpperBound1 < 0) {
  60                                 throw new ArgumentException(
  61                                         Utils.GetResourceString("Invalid_VBFixedArray"));
  62                         }
  63                         if (UpperBound2 < 0) {
  64                                 throw new ArgumentException(
  65                                         Utils.GetResourceString("Invalid_VBFixedArray"));
  66                         }
  67                         upperBound1 = UpperBound1;
  68                         upperBound2 = UpperBound2;
  69                         bidimensional = true;
  70                 }
  71
  72                 // Properties
  73                 public int Length {
  74                         get {
  75                                 if (bidimensional)
  76                                         return (upperBound1+1)*(upperBound2+1);
  77                                 return upperBound1+1;
  78                         }
  79                 }
  80
  81                 public int[] Bounds {
  82                         get {
  83                                 if (bidimensional)
  84                                         return new int[] { upperBound1, upperBound2 };
  85                                 return new int[] { upperBound1 };
  86                         }
  87                 }
  88         };
  89 }